Method has

deps/undici/undici.js:6125–6127

* @param {Feature} feature * @returns {boolean}

(feature)

       * @returns {boolean}
       */
      has(feature) {
        return this.#map.get(feature) ?? this.#detectRuntimeFeature(feature);
      }
      /**
       * @param {Feature} feature
       * @param {boolean} value